Connection between PAHs and small hydrocarbons in the Horsehead Nebula Photo-Dissociation Region

David Teyssier, David Fosse, Maryvonne Gerin +3

We present recent observations of small hydrocarbons (C3H2, C2H, C4H) with high abundances in the Photo-Dissociation Region of the Horsehead nebula. Our results show for the first…